Warped brane world supergravity, flipping, and the Scherk-Schwarz mechanism

Details Warped brane world supergravity, flipping, and the Scherk-Schwarz mechanism Warped brane world supergravity, flipping, and the Scherk-Schwarz mechanism

2002-11-06

arxiv.org/abs/hep-th/0211043v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, talk given at the 1st International Conference on String Phenomenology, Oxford, UK, July 6 - 11, 2002

Scientific paper

We demonstrate the relation between the Scherk-Schwarz mechanism and flipped gauged brane-bulk supergravities in five dimensions. We discuss the form of supersymmetry violating Scherk-Schwarz terms in pure supergravity and in supergravity coupled to matter. Although the Lagrangian mass terms that arise as the result of the Scherk-Schwarz redefinition of fields are naturally of the order of the inverse radius of the orbifold, the effective 4d physical mass terms are rather set by the scale \sqrt{|\bar{\Lambda}|}, where \bar{\Lambda} is the 4d cosmlogical constant.

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